I tried to ram the rock, no effect.
I tried to use both ends of the rover, no effect.
I tried to use the side of the rover, no effect.
When I go to mission control and press the rover ( on the map ) then I get a list of parts on the rover. It say it have an APXS ( advanced particle x-ray specternomer. ) and it is "OK"
So im pretty sure my rover i working..
Also I notised that tough the rover have a camera in both ends, then only one of them work. Maybe this is the problem since it cannot look/mesure the distance with the end of the rover that have a bug... Just a guess.
( all parts on the rover are OK).